> The 256 GB/s number is real, but for context, an Apple M5 Ultra hits ~800 GB/s on its unified memory

The M5 Ultra has not been even announced.

This article appears to be predominately or entirely LLM-produced with little to no human review, and contains numerous material and misinforming errors.

It also omits serious contenders that's worth at least comparing, like the DGX Spark.